8 |
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*/ |
9 |
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10 |
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#include <stdlib.h> |
11 |
+ |
#include <fcntl.h> |
12 |
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#include <stdio.h> |
13 |
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#include <string.h> |
14 |
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#include <math.h> |
15 |
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#include <ctype.h> |
16 |
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|
17 |
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#include "platform.h" |
17 |
– |
#include "calcomp.h" |
18 |
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#include "rterror.h" |
19 |
+ |
#include "rtmisc.h" |
20 |
+ |
#include "rtio.h" |
21 |
+ |
#include "calcomp.h" |
22 |
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|
23 |
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#define isnum(c) (isdigit(c) || (c)=='-' || (c)=='.' \ |
24 |
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|| (c)=='+' || (c)=='e' || (c)=='E') |
57 |
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#define savqstr(s) strcpy(emalloc(strlen(s)+1),s) |
58 |
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#define freqstr(s) efree(s) |
59 |
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|
60 |
+ |
static int getinputrec(FILE *fp); |
61 |
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static void scaninp(void), advinp(void), resetinp(void); |
62 |
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static void putrec(void), putout(void), nbsynch(void); |
63 |
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static int getrec(void); |
70 |
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static void chanset(int n, double v); |
71 |
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static void bchanset(int n, double v); |
72 |
|
static struct strvar* getsvar(char *svname); |
73 |
+ |
static double l_in(char *); |
74 |
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|
75 |
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struct field *inpfmt = NULL; /* input record format */ |
76 |
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struct field *outfmt = NULL; /* output record structure */ |
78 |
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|
79 |
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int blnkeq = 1; /* blanks compare equal? */ |
80 |
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int igneol = 0; /* ignore end of line? */ |
81 |
+ |
int passive = 0; /* passive mode (transmit unmatched input) */ |
82 |
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char sepchar = '\t'; /* input/output separator */ |
83 |
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int noinput = 0; /* no input records? */ |
84 |
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int nbicols = 0; /* number of binary input columns */ |
115 |
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biggerlib(); |
116 |
|
#endif |
117 |
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varset("PI", ':', 3.14159265358979323846); |
118 |
+ |
funset("in", 1, '=', &l_in); |
119 |
|
|
120 |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) |
121 |
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switch (argv[i][1]) { |
125 |
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case 'l': |
126 |
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igneol = !igneol; |
127 |
|
break; |
128 |
+ |
case 'p': |
129 |
+ |
passive = !passive; |
130 |
+ |
break; |
131 |
|
case 't': |
132 |
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sepchar = argv[i][2]; |
133 |
|
break; |
157 |
|
nbicols = atoi(argv[i]+3); |
158 |
|
else |
159 |
|
nbicols = 1; |
160 |
+ |
if (nbicols*sizeof(double) > INBSIZ) { |
161 |
+ |
eputs(argv[0]); |
162 |
+ |
eputs(": too many input columns\n"); |
163 |
+ |
quit(1); |
164 |
+ |
} |
165 |
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break; |
166 |
|
case 'f': |
167 |
|
if (isdigit(argv[i][3])) |
168 |
|
nbicols = -atoi(argv[i]+3); |
169 |
|
else |
170 |
|
nbicols = -1; |
171 |
+ |
if (-nbicols*sizeof(float) > INBSIZ) { |
172 |
+ |
eputs(argv[0]); |
173 |
+ |
eputs(": too many input columns\n"); |
174 |
+ |
quit(1); |
175 |
+ |
} |
176 |
|
break; |
177 |
|
default: |
178 |
|
goto userr; |
205 |
|
userr: |
206 |
|
eputs("Usage: "); |
207 |
|
eputs(argv[0]); |
208 |
< |
eputs(" [-b][-l][-n][-w][-u][-tS][-s svar=sval][-e expr][-f source][-i infmt][-o outfmt] [file]\n"); |
208 |
> |
eputs(" [-b][-l][-n][-p][-w][-u][-tS][-s svar=sval][-e expr][-f source][-i infmt][-o outfmt] [file]\n"); |
209 |
|
quit(1); |
210 |
|
} |
211 |
|
|
225 |
|
execute(argv[i]); |
226 |
|
|
227 |
|
quit(0); |
228 |
+ |
return 0; /* pro forma return */ |
229 |
|
} |
230 |
|
|
231 |
|
|
241 |
|
} |
242 |
|
|
243 |
|
|
244 |
< |
int |
244 |
> |
static int |
245 |
|
getinputrec( /* get next input record */ |
246 |
|
FILE *fp |
247 |
|
) |
309 |
|
} |
310 |
|
|
311 |
|
|
312 |
+ |
static double |
313 |
+ |
l_in(char *funame) /* function call for $channel */ |
314 |
+ |
{ |
315 |
+ |
int n; |
316 |
+ |
register char *cp; |
317 |
+ |
/* get argument as integer */ |
318 |
+ |
n = (int)(argument(1) + .5); |
319 |
+ |
if (n != 0) /* return channel value */ |
320 |
+ |
return(chanvalue(n)); |
321 |
+ |
/* determine number of channels */ |
322 |
+ |
if (noinput || inpfmt != NULL) |
323 |
+ |
return(0); |
324 |
+ |
if (nbicols > 0) |
325 |
+ |
return(nbicols); |
326 |
+ |
if (nbicols < 0) |
327 |
+ |
return(-nbicols); |
328 |
+ |
cp = inpbuf; /* need to count */ |
329 |
+ |
for (n = 0; *cp; ) |
330 |
+ |
if (blnkeq && isspace(sepchar)) { |
331 |
+ |
while (isspace(*cp)) |
332 |
+ |
cp++; |
333 |
+ |
n += *cp != '\0'; |
334 |
+ |
while (*cp && !isspace(*cp)) |
335 |
+ |
cp++; |
336 |
+ |
} else { |
337 |
+ |
n += *cp != '\n'; |
338 |
+ |
while (*cp && *cp++ != sepchar) |
339 |
+ |
; |
340 |
+ |
} |
341 |
+ |
return(n); |
342 |
+ |
} |
343 |
+ |
|
344 |
|
double |
345 |
|
chanvalue( /* return value for column n */ |
346 |
|
int n |
454 |
|
eputs(": cannot open\n"); |
455 |
|
quit(1); |
456 |
|
} |
457 |
< |
res = read(fd, inpbuf+1, INBSIZ-1); |
457 |
> |
res = read(fd, inpbuf+2, INBSIZ-2); |
458 |
|
if (res <= 0 || res >= INBSIZ-1) { |
459 |
|
eputs(spec); |
460 |
|
if (res < 0) |
466 |
|
quit(1); |
467 |
|
} |
468 |
|
close(fd); |
469 |
< |
(inptr=inpbuf+1)[res] = '\0'; |
469 |
> |
(inptr=inpbuf+2)[res] = '\0'; |
470 |
|
} |
471 |
|
f = &fmt; /* get fields */ |
472 |
|
while ((res = readfield(&inptr)) != F_NUL) { |
628 |
|
|
629 |
|
|
630 |
|
static int |
631 |
< |
getrec(void) /* get next record from file */ |
631 |
> |
getrec(void) /* get next record from file */ |
632 |
|
{ |
633 |
|
int eatline; |
634 |
|
register struct field *f; |
635 |
< |
|
635 |
> |
|
636 |
|
while (ipb.chr != EOF) { |
584 |
– |
eatline = !igneol && ipb.chr != '\n'; |
637 |
|
if (blnkeq) /* beware of nbsynch() */ |
638 |
|
while (isblnk(ipb.chr)) |
639 |
< |
scaninp(); |
639 |
> |
resetinp(); |
640 |
> |
eatline = (!igneol && ipb.chr != '\n'); |
641 |
|
clearrec(); /* start with fresh record */ |
642 |
|
for (f = inpfmt; f != NULL; f = f->next) |
643 |
|
if (getfield(f) == -1) |
644 |
|
break; |
645 |
|
if (f == NULL) { |
646 |
< |
advinp(); |
646 |
> |
advinp(); /* got one! */ |
647 |
|
return(1); |
648 |
|
} |
649 |
< |
resetinp(); |
649 |
> |
resetinp(); /* eat false start */ |
650 |
|
if (eatline) { /* eat rest of line */ |
651 |
|
while (ipb.chr != '\n') { |
652 |
|
if (ipb.chr == EOF) |
653 |
|
return(0); |
654 |
< |
scaninp(); |
654 |
> |
resetinp(); |
655 |
|
} |
656 |
< |
scaninp(); |
604 |
< |
advinp(); |
656 |
> |
resetinp(); |
657 |
|
} |
658 |
|
} |
659 |
|
return(0); |
698 |
|
delim = f->next->f.sl[0]; |
699 |
|
cp = buf; |
700 |
|
do { |
701 |
< |
if (ipb.chr == EOF) |
701 |
> |
if (ipb.chr == EOF || ipb.chr == '\n') |
702 |
|
inword = 0; |
703 |
|
else if (blnkeq && delim != EOF) |
704 |
|
inword = isblnk(delim) ? |
850 |
|
ipb.beg = ipb.end; |
851 |
|
ipb.pos = ipb.beg; |
852 |
|
ipb.chr = *ipb.pos; |
853 |
+ |
if (passive) /* transmit unmatched character? */ |
854 |
+ |
fputc(ipb.chr, stdout); |
855 |
|
if (++ipb.beg >= &inpbuf[INBSIZ]) |
856 |
|
ipb.beg = inpbuf; |
857 |
|
scaninp(); |